Home / 98,880.08-136,462.91-55,867.50

Finding the Fourth Proportional to 98,880.08, 136,462.91 and 55,867.50

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Solution

The fourth proportional to 98,880.08, 136,462.91 and 55,867.50 is: 77,101.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,880.08 : 136,462.91 = 55,867.50 : x
  2. Step 2: Convert to fraction form
    98,880.08/136,462.91 = 55,867.50/x
  3. Step 3: Cross multiply
    98,880.08x = 136,462.91 × 55,867.50
  4. Step 4: Simplify right side
    98,880.08x = 7,623,841,345.09
  5. Step 5: Solve for x
    x = 7,623,841,345.09/98,880.08
  6. Step 6: Final answer
    x = 77,101.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.